package com.example.homework3;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.widget.Toast;

import androidx.fragment.app.DialogFragment;

import java.util.ArrayList;

public class MultiChoiceDialogFragment extends DialogFragment {
    ArrayList selectedItems=new ArrayList();
    private String[] genders=new String[]{"男","女"};
    public Dialog onCreateDialog(Bundle savedInstanceState){
        AlertDialog.Builder builder=new AlertDialog.Builder(getActivity());
        builder.setTitle("多选对话框")
                .setMultiChoiceItems(genders, null, new DialogInterface.OnMultiChoiceClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                        if(isChecked)
                            selectedItems.add(genders[which]);
                        else
                            selectedItems.remove(genders[which]);
                    }
                })
                .setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity().getApplicationContext(),"你多选的是"+selectedItems.toString(),Toast.LENGTH_SHORT).show();
                    }
                })
                .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity().getApplicationContext(), "你取消了", Toast.LENGTH_SHORT).show();
                    }
                });
        return builder.create();
    }
}
